Rothhardt, J.J.RothhardtHädrich, S.S.HädrichDemmler, S.S.DemmlerJocher, C.C.JocherLimpert, J.J.LimpertTünnermann, A.A.Tünnermann2022-03-112022-03-112011https://publica.fraunhofer.de/handle/publica/371084We report on an OPCPA system delivering sub-5 fs pulses with more than 12 GW peak power at high repetition rates. Target peak intensities as high as 1018 W/cm2 appear feasible assuming diffraction-limited focusing.en620conference paper